/* $Xorg: prop.c,v 1.4 2001/02/09 02:06:01 xorgcvs Exp $ */
/******************************************************************************

Copyright 1993, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
******************************************************************************/
/* $XFree86: xc/programs/xsm/prop.c,v 1.8 2004/06/01 00:17:08 dawes Exp $ */
/*
 * Copyright (c) 1994-2004 by The XFree86 Project, Inc.
 * All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject
 * to the following conditions:
 *
 *   1.  Redistributions of source code must retain the above copyright
 *       notice, this list of conditions, and the following disclaimer.
 *
 *   2.  Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer
 *       in the documentation and/or other materials provided with the
 *       distribution, and in the same place and form as other copyright,
 *       license and disclaimer information.
 *
 *   3.  The end-user documentation included with the redistribution,
 *       if any, must include the following acknowledgment: "This product
 *       includes software developed by The XFree86 Project, Inc
 *       (http://www.xfree86.org/) and its contributors", in the same
 *       place and form as other third-party acknowledgments.  Alternately,
 *       this acknowledgment may appear in the software itself, in the
 *       same form and location as other such third-party acknowledgments.
 *
 *   4.  Except as contained in this notice, the name of The XFree86
 *       Project, Inc shall not be used in advertising or otherwise to
 *       promote the sale, use or other dealings in this Software without
 *       prior written authorization from The XFree86 Project, Inc.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE XFREE86 PROJECT, INC OR ITS CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "xsm.h"
#include "info.h"
#include "prop.h"
#include <X11/Xaw/List.h>


void
FreePropValues(List *propValues)
{
    List	*pv;
    PropValue	*pval;

    for (pv = ListFirst (propValues); pv; pv = ListNext (pv))
    {
	pval = (PropValue *) pv->thing;
	XtFree ((char *) pval->value);
	XtFree ((char *) pval);
    }

    ListFreeAll (propValues);
}



void
FreeProp(Prop *prop)
{
    FreePropValues (prop->values);
    XtFree (prop->name);
    XtFree (prop->type);
    XtFree ((char *) prop);
}



void
SetInitialProperties(ClientRec *client, List *props)
{
    List *pl;

    if (verbose)
	printf("Setting initial properties for %s\n", client->clientId);

    if (client->props)
    {
	/*
	 * The only way client->props could be non-NULL is if the list
	 * was initialized, but nothing was added yet.  So we just free
	 * the head of the list.
	 */

	XtFree ((char *) client->props);
    }

    client->props = props;

    for (pl = ListFirst (props); pl; pl = ListNext (pl))
    {
	Prop		*pprop;
	PropValue	*pval;
	List		*vl;

	pprop = (Prop *) pl->thing;

	if (strcmp (pprop->name, SmDiscardCommand) == 0)
	{
	    if (client->discardCommand)
		XtFree (client->discardCommand);

	    vl = ListFirst (pprop->values);
	    pval = (PropValue *) vl->thing;

	    client->discardCommand = (char *) XtNewString (
		(char *) pval->value);
	}
	else if (strcmp (pprop->name, SmRestartStyleHint) == 0)
	{
	    int hint;

	    vl = ListFirst (pprop->values);
	    pval = (PropValue *) vl->thing;

	    hint = (int) *((char *) (pval->value));

	    if (hint == SmRestartIfRunning || hint == SmRestartAnyway ||
		hint == SmRestartImmediately || hint == SmRestartNever)
	    {
		client->restartHint = hint;
	    }
	}
    }
}



void
SetProperty(ClientRec *client, SmProp *theProp, Bool freeIt)
{
    List 	*pl;
    Prop	*pprop = NULL;
    int		found = 0, i;

    /*
     * If the property exists, delete the property values.  We can
     * re-use the actual property header.
     */

    for (pl = ListFirst (client->props); pl; pl = ListNext (pl))
    {
	pprop = (Prop *) pl->thing;

	if (strcmp (theProp->name, pprop->name) == 0 &&
	    strcmp (theProp->type, pprop->type) == 0)
	{
	    FreePropValues (pprop->values);
	    found = 1;
	    break;
	}
    }


    /*
     * Add the new property
     */

    if (!found)
    {
	pprop = (Prop *) XtMalloc (sizeof (Prop));
	pprop->name = XtNewString (theProp->name);
	pprop->type = XtNewString (theProp->type);
    }

    pprop->values = ListInit ();

    for (i = 0; i < theProp->num_vals; i++)
    {
	PropValue *pval = (PropValue *) XtMalloc (sizeof (PropValue));

	pval->length = theProp->vals[i].length;
	pval->value = (XtPointer) XtMalloc (theProp->vals[i].length + 1);
	memcpy (pval->value, theProp->vals[i].value, theProp->vals[i].length);
	((char *) pval->value)[theProp->vals[i].length] = '\0';

	ListAddLast (pprop->values, (char *) pval);
    }

    if (pl)
	pl->thing = (char *) pprop;
    else
	ListAddLast (client->props, (char *) pprop);

    if (strcmp (theProp->name, SmDiscardCommand) == 0)
    {
	if (saveInProgress)
	{
	    /*
	     * We are in the middle of a save yourself.  We save the
	     * discard command we get now, and make it the current discard
	     * command when the save is over.
	     */

	    if (client->saveDiscardCommand)
		XtFree (client->saveDiscardCommand);
	    client->saveDiscardCommand =
		(char *) XtNewString ((char *) theProp->vals[0].value);

	    client->receivedDiscardCommand = True;
	}
	else
	{
	    if (client->discardCommand)
		XtFree (client->discardCommand);
	    client->discardCommand =
		(char *) XtNewString ((char *) theProp->vals[0].value);
	}
    }
    else if (strcmp (theProp->name, SmRestartStyleHint) == 0)
    {
	int hint = (int) *((char *) (theProp->vals[0].value));

	if (hint == SmRestartIfRunning || hint == SmRestartAnyway ||
	    hint == SmRestartImmediately || hint == SmRestartNever)
	{
	    client->restartHint = hint;
	}
    }

    if (freeIt)
	SmFreeProperty (theProp);
}



void
DeleteProperty(ClientRec *client, char *propname)
{
    List *pl;

    for (pl = ListFirst (client->props); pl; pl = ListNext (pl))
    {
	Prop *pprop = (Prop *) pl->thing;

	if (strcmp (pprop->name, propname) == 0)
	{
	    FreeProp (pprop);
	    ListFreeOne (pl);

	    if (strcmp (propname, SmDiscardCommand) == 0)
	    {
		if (client->discardCommand)
		{
		    XtFree (client->discardCommand);
		    client->discardCommand = NULL;
		}

		if (client->saveDiscardCommand)
		{
		    XtFree (client->saveDiscardCommand);
		    client->saveDiscardCommand = NULL;
		}
	    }
	    break;
	}
    }
}



void
SetPropertiesProc(SmsConn smsConn, SmPointer managerData, int numProps, 
		  SmProp **props)
{
    ClientRec	*client = (ClientRec *) managerData;
    int		updateList, i;

    if (verbose)
    {
	printf ("Client Id = %s, received SET PROPERTIES ", client->clientId);
	printf ("[Num props = %d]\n", numProps);
    }

    updateList = (ListCount (client->props) == 0) &&
	numProps > 0 && client_info_visible;

    for (i = 0; i < numProps; i++)
    {
	SetProperty (client, props[i], True /* free it */);
    }

    free ((char *) props);

    if (updateList)
    {
	/*
	 * We have enough info from the client to display it in our list.
	 */

	UpdateClientList ();
	XawListHighlight (clientListWidget, current_client_selected);
    }
    else if (client_prop_visible && clientListRecs &&
	clientListRecs[current_client_selected] == client)
    {
	DisplayProps (client);
    }
}



void
DeletePropertiesProc(SmsConn smsConn, SmPointer managerData, 
		     int numProps, char **propNames)

{
    ClientRec	*client = (ClientRec *) managerData;
    int		i;

    if (verbose) {
	printf ("Client Id = %s, received DELETE PROPERTIES ",
	    client->clientId);
	printf ("[Num props = %d]\n", numProps);
    }

    for (i = 0; i < numProps; i++)
    {
	if (verbose)
	    printf ("   Name:	%s\n", propNames[i]);

	DeleteProperty (client, propNames[i]);

	free (propNames[i]);
    }

    free ((char *) propNames);
}



void
GetPropertiesProc(SmsConn smsConn, SmPointer managerData)
{
    ClientRec	*client = (ClientRec *) managerData;
    SmProp	**propsRet, *propRet;
    SmPropValue *propValRet;
    Prop	*pprop;
    PropValue	*pval;
    List	*pl, *pj;
    int		numProps;
    int		index, i;

    if (verbose)
    {
	printf ("Client Id = %s, received GET PROPERTIES\n", client->clientId);
	printf ("\n");
    }

    /*
     * Unfortunately, we store the properties in a format different
     * from the one required by SMlib.
     */

    numProps = ListCount (client->props);
    propsRet = (SmProp **) XtMalloc (numProps * sizeof (SmProp *));

    index = 0;
    for (pl = ListFirst (client->props); pl; pl = ListNext (pl))
    {
	propsRet[index] = propRet = (SmProp *) XtMalloc (sizeof (SmProp));

	pprop = (Prop *) pl->thing;

	propRet->name = XtNewString (pprop->name);
	propRet->type = XtNewString (pprop->type);
	propRet->num_vals = ListCount (pprop->values);
	propRet->vals = propValRet = (SmPropValue *) XtMalloc (
	    propRet->num_vals * sizeof (SmPropValue));

	for (pj = ListFirst (pprop->values); pj; pj = ListNext (pj))
	{
	    pval = (PropValue *) pj->thing;

	    propValRet->length = pval->length;
	    propValRet->value = (SmPointer) XtMalloc (pval->length);
	    memcpy (propValRet->value, pval->value, pval->length);

	    propValRet++;
	}

	index++;
    }

    SmsReturnProperties (smsConn, numProps, propsRet);

    if (verbose)
    {
	printf ("Client Id = %s, sent PROPERTIES REPLY [Num props = %d]\n",
		client->clientId, numProps);
    }

    for (i = 0; i < numProps; i++)
	SmFreeProperty (propsRet[i]);
    XtFree ((char *) propsRet);
}
